What is Zeaxanthin Powder?
Zeaxanthin Powder is a standardised carotenoid ingredient, extracted from the flower of the marigold (Tagetes erecta L.) and available in several assay strengths from 5% to 70%. It comes concentrated in powder form, which offers flexibility to manufacturers in the formulation of zeaxanthin tablets, capsules, nutritional premixes, gummies, sachets, and other dry product-based products.
Zeaxanthin is a naturally occurring xanthophyll carotenoid that is frequently found in eye care and antioxidant-positioning nutritional supplements. The more realistically important factors for product developers are assay selection, inclusion rate, dispersion, carrier compatibility, processing conditions, and finished product stability.
Kingsci will provide for formulation applications, bulk ingredient applications, as well as for the technical requirements of the finished product.
Specification Options
Formulators can use different concentrations to achieve a formulation that meets their desired active loading, inclusion rate, and formulation design.
|
Zeaxanthin Specification |
Typical Formulation Role |
|
5% Zeaxanthin |
Flexible inclusion for standard premixes and multi-ingredient formulations |
|
10% Zeaxanthin |
General-purpose nutritional and supplement formulations |
|
20% Zeaxanthin |
Higher-potency dry formulations requiring increased active concentration |
|
40% Zeaxanthin |
Concentrated supplement and specialized premix applications |
|
70% Zeaxanthin |
High-assay formulations where a low inclusion rate is preferred |
The specific ingredient will depend on the desired amount of zeaxanthin in the formulation, the form of the formulation, the concentration of the Zeaxanthin Ingredient in the pre-mix, the processing method, and the desired handling properties. Project custom specifications can be considered for qualified bulk projects.
COA
| Item | Specification | Result | Test Method |
| Appearance | Orange to Orange-Red Fine Powder | Complies | Visual Inspection |
| Odor & Taste | Characteristic | Complies | Organoleptic |
| Zeaxanthin Content | ≥ 70.0% | 70.50% | HPLC |
| Loss on Drying | ≤ 5.0% | 2.30% | USP <731> |
| Residue on Ignition | ≤ 1.0% | 0.42% | USP <281> |
| Particle Size | 95% min. through 80 mesh | Complies | Sieve Analysis |
| Bulk Density | 0.40–0.70 g/mL | 0.53 g/mL | USP <616> |
| Total Heavy Metals | ≤ 10 ppm | < 5 ppm | ICP-MS |
| Lead (Pb) | ≤ 2.0 ppm | 0.28 ppm | ICP-MS |
| Arsenic (As) | ≤ 1.0 ppm | 0.10 ppm | ICP-MS |
| Cadmium (Cd) | ≤ 1.0 ppm | 0.06 ppm | ICP-MS |
| Mercury (Hg) | ≤ 0.1 ppm | < 0.05 ppm | ICP-MS |
| Residual Solvents | Complies with applicable limits | Complies | GC |
| Pesticide Residues | Complies with applicable limits | Complies | GC-MS / LC-MS |
| Total Plate Count | ≤ 1,000 CFU/g | < 100 CFU/g | USP <2021> |
| Yeast & Mold | ≤ 100 CFU/g | < 10 CFU/g | USP <2021> |
| E. coli | Negative | Negative | USP <2022> |
| Salmonella | Negative/25 g | Negative | USP <2022> |
| Staphylococcus aureus | Negative | Negative | USP <2022> |
Where Zeaxanthin Powder Fits?
Tablets & Capsules
Zeaxanthin Powder can be added to dry blends used in the manufacture of tablets/capsules. Since the amount of powder needed to produce the required amount of zeaxanthin can vary by assay level, this can help manufacturers to tailor powder usage to meet requirements. There are various assay levels, which can help manufacturers to adjust the amount of powder used to produce the required amount.
Nutritional Premixes
The powder format can be used for Premix formulations with a combination of Zeaxanthin and Lutein and other carotenoid ingredients coupled with vitamins, minerals, etc. During formulation development, it is important to consider the uniformity and particle characteristics.
Gummies & Chewables
It may be used in a selected formulation for gummy or chewable products in which a carotenoid, in the form of a dry ingredient, does not adversely affect the manufacturing process or carrier system.
Sachets & Powdered Products
The powdered product is a concentrated product that can be added to selected stick packs, dry nutritional products, and others. Depending on the desired level of inclusion, the appropriate assay can be used.
Functional Foods
It can be tested in specific functional food formulations (such as dry blends and nutritional formulations) under acceptable processing conditions for carotenoid ingredients.
Marigold Source & Standardization
Zeaxanthin is extracted from the flowers of Tagetes erecta L. or Marigold. Marigold has a long history of use as a botanical source of xanthophyll carotenoids and is widely used as a raw material for standardized lutein and zeaxanthin ingredients.
A controlled extraction and concentration process is carried out on the raw material to get a standardized zeaxanthin ingredient. The analysis is carried out by HPLC or UV method depending on the specification, and the zeaxanthin content is determined.
Standardization offers a more uniform foundation for manufacturers to use to determine the inclusion rates, to have a ready source of premixes, and to control the active content of final products.
Powder, Beadlets, or Oil?
Each delivery form of zeaxanthin will be useful in a different formulation environment.
|
Format |
Best Suited For |
Main Consideration |
|
Zeaxanthin Powder |
Tablets, capsules, dry premixes, sachets |
Lipid-soluble; dispersion should be evaluated |
|
Zeaxanthin Beadlets |
Gummies, chewables, instant powders and selected beverages |
Encapsulated structure provides improved dispersion and protection |
|
Zeaxanthin Oil |
Softgels and lipid-based formulations |
Designed for oil-compatible delivery systems |
The most basic form is the Standard Zeaxanthin Powder. If the product needs better dispersion in water or extra protection in processing, it may be better to use a beadlet or microencapsulated form. In a lipid-based system, Zeaxanthin Oil is better suited.
You can contact us directly or email donna.zh@kingsci.com to obtain further information and free samples.
Quality & Documentation
Kingsci provides customers with documentation for evaluating and formulating new ingredients.
There may be documentation available such as:
Batch-specific Zeaxanthin COA
Product Specification
TDS
MSDS
Stability Data
Quality/ Certification documents
Sample support
Providing OEM & ODM technical support
Quality parameters can be discussed based on the target audience, end product type, and end-user requirements.
FAQ
What is Zeaxanthin Powder?
Zeaxanthin Powder is a standardized carotenoid ingredient, extracted from marigold flowers (Tagetes erecta L.) and provided as a concentrated powder for nutritional, food, and functional formulations.
What specifications of Zeaxanthin Powder are available?
Kingsci provides zeaxanthin powder specifications ranging from 5% to 70%, which enable manufacturers to choose from a range of different assays to best meet their inclusion rate and finished product needs.
Is Zeaxanthin Powder water soluble?
The standard zeaxanthin powder is not water soluble, but is soluble in lipids. If water dispersion is needed for the formulation, use of water-soluble or microencapsulated zeaxanthin forms is advised.
Can Zeaxanthin Powder be combined with Lutein?
Yes. Zeaxanthin can be used in combination with lutein in nutritional products based on carotenoids. Appropriate ratio and inclusion level should be based on the finished product specification.
Which zeaxanthin format should manufacturers choose?
Zeaxanthin Powder can be used safely in dry formulations like tablets, capsules, and pre-mixes. Beadlets are suited for applications that need better dispersion/protection, and the Zeaxanthin Oil is suited for lipid-based applications.
Developing a Zeaxanthin-Based Product?
Provide your target Zeaxanthin assay, dosage form, expected order quantity, and formulation needs to our team. Kingsci can assist you in evaluating the proper specification and even offer samples, COA, and technical documentation for product development.
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